Here is the full list of all 308 Halls of Torment achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
[Norseman] Collect 10 Power Ups in one run.
Hit 500 enemies for 25 000 damage or more. Overkill damage counts.
Kill 10 000 creatures made of ice.
Hit 40 enemies with a Morning Star for 100 times.
Deal 5 000 000 damage with items.
Deal 2 000 000 damage with items.
Deal 10 000 damage with a single hit.
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Have 300 Arcane Splinter active at the same time.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
Apply Frost 80 000 times with Hailstorm
Deal 20 000 000 the dash or dash explosion of Spirit Warriors in one run.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Have Frost Avalanche fire/place projectiles or obstacles 10 000 times per minute.
Reach an average of 10 critical hits per second with the main attack of the Sorceress.
Haave the Golem roll for a total duration of 20 minutes in a run.
Deal 10 000 double crits or better with the Phantom Needles.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
Kill 10 000 Beasts.
Purchase 40 items from the wellkeeper.
Deal 10 000 000 damage with Spectral Fists.
Deal 5 000 000 damage with Spectral Fists.
Deal 2 000 000 damage with Spectral Fists.
Deal 100 000 000 damage with your main ability.
Reach level 100.
Deal 50 000 000 direct damage with abilities.
Reach Agony IV in Chambers of Dissonance
Deal 15 000 000 direct damage with abilities.
Deal 10 000 000 damage with your main ability.
Deal 5 000 000 damage with Morning Star.
Reach level 50.
Deal 5 000 000 direct damage with abilities.
Deal 2 000 000 damage with Morning Star.
Deal 1 000 000 damage with Morning Star.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Trigger 10 000 times direct Burn damage with Dragon's Breath. This is done by applying burn on enemies with 20 burn stacks.
Reach level 80.
Hit Enemies 40 000 times with Astronomer's Orbs.
Deal 10 000 000 projectile damage in one run.
Reach Agony III in Chambers of Dissonance
Deal 3 500 000 damage with Grenades.
Deal 4 000 000 projectile damage in one run.
Deal 1 500 000 damage with Grenades.
Reach level 40.
Deal 1 000 000 projectile damage in one run.
Defeat the Lord of Discord.
Kill 12 000 enemies in one visit of the Chambers of Dissonance.
Survive the Chambers of Dissonance until there are only 4 minutes left.
Defeat the Twisted Knight.
Survive the Chambers of Dissonance until there are only 12 minutes left.
Defeat the Village.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
Defeat the Void Caller.
Survive the Chambers of Dissonance until there are only 20 minutes left.
Kill 50 000 Gargoyles
Apply 150 000 effect stacks with Transfixion.
Apply 100 000 slow stacks in a single run.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
Kill 40 000 Imps.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
Kill 50 000 Scorched.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
[Warlock] Take a total of 15 000 damage over all runs.
Deal 3 000 000 damage with Spirit Warrior.
[Norseman] Deal 5 000 000 physical damage in one run.
[Sorceress] Block 90 attacks in one run.
[Warlock] Survive 28 minutes without using your main weapon.
Deal 3 000 000 damage with Arcane Rift.
Deal 3 000 000 damage with Hailstorm.
Deal 1 500 000 damage with Arcane Rift.
Deal 1 500 000 damage with Hailstorm.
Deal 750 000 damage with Hailstorm.
Deal 3 000 000 damage with Ring Blades.
Deal 3 000 000 damage with Arcane Splinter.
Deal 3 000 000 damage with Astronomer's Orbs.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
Deal 2 000 000 damage with Flame Strike.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
Deal 1 500 000 damage with Spirit Warrior.
[Shield Maiden] Acquire the trait [Parry V] in a run.
[Shield Maiden] Survive 28 minutes without any defense buffs.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Archer] Walk 100 000 meters.
Crit enemies 500 000 times.
Deal 1 000 000 damage with Flame Strike.
Deal 3 000 000 damage with Meteor Strike.
Kill 50 000 Wraiths
Collect a total of 200 000 gold.
Deal 750 000 damage with Spirit Warrior.
[Swordsman] Deal 3 000 000 damage in one run.
Deal 1 500 000 damage with Astronomer's Orbs.
[Swordsman] Reach Agony III on the Haunted Caverns.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
[Shield Maiden] Hit 15 Enemies with a single attack. Can't be done with the shield bash.
Deal 750 000 damage with Arcane Rift.
[Warlock] Reach Agony III on the Ember Grounds.
Deal 3 000 000 damage with the Golem.
[Norseman] Reach Agony III on the Frozen Depths.
Apply electrify 100 000 times.
[Norseman] Reach level 60.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
[Norseman] Reach level 30.
[Norseman] Deal 500 000 physical damage in one run.
[Norseman] Hit 30 Enemies with a single Frost Nova.
Kill a total of 10 lord.
Deal 2 000 000 damage with Dragon's Breath.
Apply debuffs 500 000 times.
Deal 3 000 000 damage with Phantom Needles.
[Cleric] Deal 500 000 burn damage in one run.
[Cleric] Reach Agony III on the Haunted Caverns.
Kill a total of 100 bosses.
[Beast Huntress] Reach Agony III on the Frozen Depths.
Kill 10 000 Ghouls.
[Frozen Depths] Defeat the Lord of Hate.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Frozen Depths] Defeat the Elder Giant.
Deal 1 500 000 damage with Phantom Needles.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
[Frozen Depths] Defeat the Twisted Construct.
[Beast Huntress] Reach level 60.
[Beast Huntress] Deal 2 000 000 ice damage in one run.
Kill a total of 150 elite enemies.
[Beast Huntress] Reach level 30.
[Beast Huntress] Deal 500 000 ice damage in one run.
Deal 3 000 000 damage with Frost Avalanche.
[Archer] Crit enemies 50 000 times within one run.
Deal 1 500 000 damage with Frost Avalanche.
[Archer] Crit enemies 20 000 times within one run.
[Archer] Reach Agony III on the Haunted Caverns.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Kill 50 000 enemies with effects.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
Deal 750 000 damage with Frost Avalanche.
Deal 3 000 000 damage with Kugelblitz.
Deal 1 500 000 damage with Kugelblitz.
Deal 3 000 000 damage with Lightning Strike.
Deal 750 000 damage with Kugelblitz.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Level Up 2 000 times.
[Sorceress] Deal 500 000 electrify damage in one run.
Deal 500 000 damage with Flame Strike.
[Exterminator] Apply burn to 200 000 enemies.
[Exterminator] Reach Agony III on the Ember Grounds.
[Frozen Depths] Survive the Frozen Depths until there are only 18 minutes left.
[Frozen Depths] Kill 3 000 enemies in one visit of the Frozen Depths.
[Frozen Depths] Defeat the Basilisk.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
[Archer] Enter the Halls of Torment 5 times.
[Swordsman] Reach level 60.
Recover 100 000 HP in total
Deal 1 500 000 damage with the Golem.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Hit 1 000 Enemies for 500 or more damage in one run. (Main Attack)
[Sorceress] Reach level 60.
[Sorceress] Deal 2 000 000 lightning damage in one run.
[Sorceress] Apply burn to 1 000 enemies in a single run.
[Sorceress] Increase your movement speed to 11m/s.
Defeat the Lord of Despair.
Deal 3 000 000 damage with Radiant Aura.
Deal 1 500 000 damage with Lightning Strike.
Defeat the Lord of Regret.
Deal 1 500 000 damage with Radiant Aura.
Deal 1 500 000 damage with Meteor Strike.
Deal 750 000 damage with Lightning Strike.
Deal 750 000 damage with Radiant Aura.
Kill 15 000 enemies in one visit of the Ember Grounds.
Deal 750 000 damage with Meteor Strike.
[Cleric] Apply 50 000 debuffs in total.
Apply debuffs 50 000 times.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
Deal 3 000 000 damage with Transfixion.
Deal 1 500 000 damage with Transfixion.
Play for 666 minutes.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
[Cleric] Deal 5 000 000 magic damage in one run.
[Cleric] Reach level 60.
Deal 750 000 damage with Transfixion.
[Cleric] Acquire the trait [Metabolism V] in a run.
[Cleric] Deal 1 500 000 magic damage in one run.
[Cleric] Reach level 30.
[Cleric] Deal 500 000 magic damage in one run.
Kill 400 000 enemies in total.
Deal 1 500 000 damage with Arcane Splinter.
[Archer] Kill 20 000 enemies in one run.
[Archer] Reach level 60.
Deal 750 000 damage with Arcane Splinter.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Archer] Crit enemies 5 000 times within one run.
[Archer] Increase your movement speed to 8m/s.
[Archer] Reach level 30.
[Sorceress] Reach level 30.
[Sorceress] Deal 500 000 lightning damage in one run.
Defeat the Lord of Pain.
[Shield Maiden] Defeat a Lord.
Kill a total of 1 lord.
[Shield Maiden] Get hit 500 times in a single run.
[Shield Maiden] Reach level 60.
[Shield Maiden] Deal 300 000 damage with the shield bash.
Reach level 30.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Deal 750 000 damage with the Golem.
Deal 100 000 000 damage in total.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Hydra.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Frost Knight.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Defeat the Wraith Horseman.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Kill 40 000 Hellhounds.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
Crit enemies 50 000 times.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
[Warlock] Kill 5 000 Hellhounds in one exploration.
Kill 25 000 enemies in one run.
[Warlock] Reach level 60.
Consume a total of 100 potions.
Kill 40 000 Slimes.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Do not get hit for 5 minutes.
[Warlock] Acquire the trait [Channeling V] in a run.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
[Exterminator] Reach level 60.
Survive the Ember Grounds until there are only 2 minutes left.
Defeat the Wyrm Queen.
Enter Forgotten Viaduct and rescue the Cupbearer.
Survive the Ember Grounds until there are only 12 minutes left.
Play for 333 minutes.
Kill 5 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 22 minutes left.
Defeat the Flamedancer.
Kill a total of 50 elite enemies.
[Exterminator] Kill 50 000 enemies.
Purchase 10 items from the wellkeeper.
[Exterminator] Apply burn to 50 000 enemies.
Deal 1 000 000 damage with Dragon's Breath.
[Exterminator] Deal 3 000 000 fire damage in one run.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Apply damage effects 500 000 times.
Apply damage effects 50 000 times.
[Exterminator] Walk 8 000 meters in one run.
Deal 500 000 damage with Dragon's Breath.
[Exterminator] Destroy 200 Objects.
Level Up 500 times.
[Exterminator] Apply burn to 10 000 enemies.
[Exterminator] Deal 1 000 000 fire damage in one run.
[Exterminator] Deal 200 000 burn damage in one run.
[Exterminator] Reach level 30.
[Exterminator] Deal 300 000 fire damage in one run.
[Exterminator] Apply 50 or more burn effects at the same time.
Kill 1 000 enemies in one visit of the Ember Grounds.
Deal 1 500 000 damage with Ring Blades.
Kill 100 000 enemies in total.
Kill 40 000 Skeletons.
[Swordsman] Kill a total of 10 bosses.
Collect a total of 20 000 gold.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Swordsman] Get hit a total of 500 times over all attempts.
Deal 750 000 damage with Phantom Needles.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
Kill a total of 10 bosses.
Purchase an item from the Wellkeeper.
Survive until there are only 10 minutes left.
Deal 10 000 000 damage in total.
[Swordsman] Deal 1 000 000 damage with the main weapon.
Retrieve 1 item from the Halls of Torment.
Kill 15 000 enemies in one run.
Deal 750 000 damage with Ring Blades.
Defeat the Lich.
Deal 750 000 damage with Astronomer's Orbs.
[Swordsman] Hit 20 Enemies with a single attack.
[Swordsman] Regenerate 2 000 HP in one run
[Swordsman] Acquire the trait [Strength IV] in a run.
Kill 5 000 enemies in one run.
[Swordsman] Walk 5 000 meters in one run.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
[Swordsman] Reach level 30.
Consume a total of 10 potions.
Defeat the Skeleton Lord.
[Swordsman] Deal 200 000 damage with the main weapon.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Rescue the Wellkeeper.
Survive until there are only 14 minutes left.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
[Archer] Do not get hit for 3 minutes.
Defeat the Imp Chieftain.
Collect a total of 300 gold.
Survive until there are only 26 minutes left.
Enter the Halls of Torment.
Deal 100 000 damage with a single hit.
Kill 5 000 enemies at full life with a single hit of Arcane Rift.
Deal 1 000 times damage by applying the 20th+ electrify stack through Kugelblitz.
Kill 10 000 Carpas.
Kill 10 000 Constructs.
Kill 10 000 Homunculi.
[Norseman] Deal 10 000 000 frost damage in one run.